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| ple·num [ plnəm, plénnəm ] (plural ple·nums or ple·na [ plnə ]) |
noun |
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| Definition: |
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1. general attendance at meeting: a full or general assembly, e.g. of all the branches of a legislature
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2. physics enclosure containing gas at higher pressure: an enclosure or chamber containing gas that is at a higher pressure than the surrounding atmosphere. Plenum systems may be used in air conditioning.
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3. philosophy matter-filled space: space entirely filled with matter
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| [Late 17th century. < Latin plenum spatium "full space"] |
